Home / 31,180,177.62-43,007,295.33-20,329,858.26

Finding the Fourth Proportional to 31,180,177.62, 43,007,295.33 and 20,329,858.26

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Solution

The fourth proportional to 31,180,177.62, 43,007,295.33 and 20,329,858.26 is: 28,041,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180,177.62 : 43,007,295.33 = 20,329,858.26 : x
  2. Step 2: Convert to fraction form
    31,180,177.62/43,007,295.33 = 20,329,858.26/x
  3. Step 3: Cross multiply
    31,180,177.62x = 43,007,295.33 × 20,329,858.26
  4. Step 4: Simplify right side
    31,180,177.62x = 874,332,218,204,860
  5. Step 5: Solve for x
    x = 874,332,218,204,860/31,180,177.62
  6. Step 6: Final answer
    x = 28,041,284.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.